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| 型号： | MAX15035ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/27页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST SYNC 15A 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 1.05V，1.5V |
| 输入电压： | 4.5 V ~ 26 V |
| PWM 型： | 电流模式 |
| 电流 - 输出： | 15A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
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15A Step-Down Regulator with Internal Switches
ABSOLUTE MAXIMUM RATINGS
IN to PGND.............................................................-0.3V to +28V
TON to GND ...........................................................-0.3V to +28V
V DD to GND ..............................................................-0.3V to +6V
V CC to GND ................................................-0.3V to (V DD + 0.3V)
EN, SKIP , PGOOD to GND.......................................-0.3V to +6V
REF, REFIN to GND....................................-0.3V to (V CC + 0.3V)
ILIM, FB to GND .........................................-0.3V to (V CC + 0.3V)
GND to PGND .......................................................-0.3V to +0.3V
LX to PGND ...............................................................-1V to +28V
BST to PGND...............................................(V DD - 0.3V) to +34V
BST to LX..................................................................-0.3V to +6V
BST to V DD .............................................................-0.3V to +28V
REF Short Circuit to GND ...........................................Continuous
IN RMS Current Rating (continuous)......................................15A
PGND RMS Current Rating (continuous) ...............................20A
Continuous Power Dissipation (T A = +70°C)
40-Pin, 6mm x 6mm Thin QFN (T4066-MCM)
(derate 27mW/°C above +70°C) ................................2162mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature Range ..........................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 12V, V DD = V CC = V EN = 5V, REFIN = ILIM = REF, SKIP = GND. T A = 0°C to +85°C , unless otherwise spec-
ified. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
PWM CONTROLLER
Input Voltage Range
V IN
4.5
26.0
V
Quiescent Supply Current (V DD )
Shutdown Supply Current (V DD )
I DD + I CC
I SHDN
FB forced above REFIN
EN = GND, T A = +25°C
0.7
0.1
1.2
2
mA
μA
V CC Undervoltage Lockout
Threshold
V UVLO(VCC)
Rising edge, PWM disabled below this
level; hysteresis = 100mV
3.95
4.2
4.45
V
V DD -to-V CC Resistance
R CC
20
Ω
V IN = 12V,
R TON = 97.5k ? (600kHz)
123
164
205
On-Time
t ON
V FB = 1.0V
R TON = 200k ? (300kHz)
275
303
331
ns
(Note 3)
R TON = 302.5k ? (200kHz)
379
442
505
Minimum Off-Time
TON Shutdown Supply Current
REFIN Voltage Range
REFIN Input Current
FB Voltage Range
t OFF(MIN)
V REFIN
I REFIN
V FB
(Note 3)
EN = GND, V TON = 26V,
V CC = 0V or 5V, T A = +25°C
(Note 2)
T A = +25°C, REFIN = 0.5V to 2V
(Note 2)
T A = +25°C
V REFIN = 0.5V,
0
-50
0
0.495
225
0.01
0.5
350
1
V REF
+50
V REF
0.505
ns
μA
V
nA
V
measured at FB,
FB Voltage Accuracy
V FB
V IN = 4.5V to 26V,
SKIP = V DD
V REFIN = 1.0V
V REFIN = 2.0V
T A = 0°C to +85°C
T A = +25°C
T A = 0°C to +85°C
T A = 0°C to +85°C
0.493
0.995
0.993
1.990
1.0
2.0
0.507
1.005
1.007
2.010
V
FB Input Bias Current
FB Output Low Voltage
Load-Regulation Error
Line-Regulation Error
I FB
V FB = 0.5V to 2.0V, T A = +25°C
I SINK = 3mA
SKIP = V DD
V CC = 4.5V to 5.5V, V IN = 4.5V to 26V
-0.1
0.1
0.2
+0.1
0.4
μA
V
%
%
2
_______________________________________________________________________________________
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